What’s New on Ask IFAS: Agronomy (Mar.–Apr. 2026)

Common Bermudagrass [Cynodon dactylon (L.) Pers.] Contamination Management in Florida Turfgrasses

Pawel Petelewicz.

This publication serves as a resource for turfgrass professionals, Extension specialists, and clientele in managing common bermudagrass infestations in Florida turfgrasses.

How to Interpret Cotton Seed Cool and Warm Germination Tests for Planting Decisions

Sudeep S. Sidhu.

This publication discusses warm and cool germination tests for cotton seed quality and ways to interpret these results. A warm germination test is a good predictor of seed germination when cotton is grown under favorable conditions. Cool germination test results only provide an indication of the performance of a given seed lot when planted under unfavorable conditions. This publication is intended for growers, crop advisors, and Extension agents.

Conducting Vegetation Surveys Using Geotagged Photographs from Smartphone and Unmanned Aerial Systems

J. S. Glueckert, A. E. Riner, J. K. Leary, K. L. Gladding, and E. C. Russell.

This publication aims to describe a simple method of importing and displaying geotagged images from unmanned aerial systems (UAS) or smartphones as vector symbols that are scaled and oriented to co-register with base layer maps in a geographic information system (GIS) without the need for processing into an orthomosaic. Instructions in this publication are for QGIS, version 3.28 LTR, but can be easily transferable to other GIS software. These methods offer an efficient and effective way to view high-resolution aerial images and photo-point image surveys in a GIS environment, allowing for basic analysis such as annotating features or points of interest.

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Posted: May 15, 2026
Last Updated: May 15, 2026



Category: Agriculture, Crops, Horticulture
Tags: Bermudagrass, Cotton Seed, Drones, Germination Test, Management, Planting, Turfgrass, Vegetation Survey


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